Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Cleavelandite from
George Elliot Quarry (North Rumford Mica Quarry), Rumford, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Albite var: Cleavelandite
Formula:Na(AlSi3O8)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cleavelandite data
Locality Data:Click here to view George Elliot Quarry (North Rumford Mica Quarry), Rumford, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:33833
Long-form Identifier:1:3:33833:8
GUID (UUID V4):0
Nearest other occurrences of Cleavelandite
3.3km (2.1 miles) ⓘKinglet Prospect, Newry, Oxford County, Maine, USA
3.3km (2.1 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA
3.4km (2.1 miles) ⓘBell pit, Newry, Oxford County, Maine, USA
3.5km (2.2 miles) ⓘCrooker Gem Pegmatite Quarries, Newry, Oxford County, Maine, USA
3.5km (2.2 miles) ⓘNevel Quarry, Newry, Oxford County, Maine, USA
3.6km (2.2 miles) ⓘScotty Quarry, Newry, Oxford County, Maine, USA
3.6km (2.3 miles) ⓘFrank Perham prospect, Rumford, Oxford County, Maine, USA
3.9km (2.4 miles) ⓘBroome Prospect, Newry, Oxford County, Maine, USA
4.0km (2.5 miles) ⓘWhitehall #1 Prospect, Newry, Oxford County, Maine, USA
4.5km (2.8 miles) ⓘPlumbago North Pegmatite, Newry, Oxford County, Maine, USA
References
Cameron, Eugene N.
Cameron, Eugene N., Larrabee, David M., McNair, Andrew H., Page, James J., Stewart, Glen W., Shainin, Vincent E. (1954) Pegmatite Investigations, 1942-45, in New England. Geological Survey Professional Paper 255. US Geological Survey doi:10.3133/pp255
 
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